fix(demo): tag image as owner/repo for auto package link

Gitea only auto-links packages when the image name matches the repo.

Co-authored-by: Cursor <cursoragent@cursor.com>

.gitea/workflows/build.yaml

@@ -7,7 +7,6 @@ on:
 env:
   # Hostname only (no scheme) — Gitea container registry on this demo stack.
   REGISTRY: gitea-dev.alertaware.com
-  IMAGE: demo
   # act_runner DinD listens on the job host network (see runner config.yaml).
   DOCKER_HOST: tcp://127.0.0.1:2375
 
@@ -31,9 +30,10 @@ jobs:
           username: ${{ github.repository_owner }}
           password: ${{ secrets.REGISTRY_TOKEN }}
 
+      # Tag as owner/repo so Gitea auto-links the package to this repository.
       - name: Build and push
         uses: docker/build-push-action@v6
         with:
           context: .
           push: true
-          tags: ${{ env.REGISTRY }}/${{ github.repository_owner }}/${{ env.IMAGE }}:${{ steps.meta.outputs.tag }}
+          tags: ${{ env.REGISTRY }}/${{ github.repository }}:${{ steps.meta.outputs.tag }}